* ```rust

    pub fn to_bytes(&self) -> [u8; MsgType::ConfigGnss.payload_size() as usize] {
        const CCS: usize = PAYLOAD_SIZE_CONFIG_COMMON;

        let mut result = [0; MsgType::ConfigGnss.payload_size() as usize];

        let cfg_common_bytes = self.common.to_bytes();

        result[..CCS].clone_from_slice(&cfg_common_bytes);

        result[CCS] = self.broadcast_ratio_gnss;
        result[CCS + 1..CCS + 3].copy_from_slice(&self.broadcast_rate_fused.to_le_bytes());
        result[CCS + 3] = self.broadcast_rate_baro;
        result[CCS + 4] = self.broadcast_rate_mag;
        result[CCS + 5] = self.broadcast_ratio_imu;
        result[CCS + 6] = self.broadcast_ratio_ahrs;
        result[CCS + 7] = self.fused_custom_format as u8;

        result[CCS + 8..CCS + 12].copy_from_slice(&self.acc_cal_bias.0.to_le_bytes());
        // etc

        result
    }

    pub fn save(&self, flash: &mut Flash, system_status: &SystemStatus) {
        self.update_leds(system_status);

        flash.erase_page(Bank::B1, FLASH_PAGE_ONBOARD).ok();
        flash
            .write_page(Bank::B1, FLASH_PAGE_ONBOARD, &self.to_bytes())
            .ok();
    }

    pub fn load(flash: &mut Flash) -> Self {
        let mut buf = [0; MsgType::ConfigGnss.payload_size() as usize];
        flash.read(Bank::B1, FLASH_PAGE_ONBOARD, 0, &mut buf);

        Self::from_bytes(&buf)
    }
```